package com.demo.forum.interceptor;

import com.demo.forum.config.AppConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@Configuration
public class LoginInterceptor implements HandlerInterceptor {

    @Value("${forum.login.url}")
    private String defaultURL ;


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if(session != null && session.getAttribute(AppConfig.USER_LOGUN)!= null){
            return true;
        }

        if(defaultURL.startsWith("/")){
            defaultURL +="/" + defaultURL;
        }
        response.sendRedirect(defaultURL);
        return false;
    }
}
